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Does this tool require external power
As an OEM-spec component
Restores Modulation: Replaces worn seat discs and diaphragms to fix hunting or failing modulation in water-cooled systems
70 Amp draw and the integrated cooling fan is critical for preventing premature thermal tripping
Direct Interoperability: Fully compatible and identical to the 1AV-1/2-146 model for easy replacement
McDonnell & Miller 194-A Controller Els PW 29614 Does this tool require externalThe McDonnell & Miller 194 A is a heavy duty combination low water cut off and pump controller designed specifically for commercial and industrial steam boiler applications. Engineered for systems with a maximum steam pressure of 250 PSI, this unit features dual snap acting SPDT switches to ensure precise boiler water level control and reliable low water protection. The 194 A series is often selected by technicians for high pressure environments where